baber/WOPTO huggingface dataset:
Patent GB-1486725-A (GB)
Title: Heat recovery apparatus in a dishwasher
IPC: A47L15/42
Filed: 1975-02-28
Abstract: 1486725 Dishwashing machines STIERLENMAQUET AG 28 Feb 1975 8585/75 Heading A4F [Also in Division F4] A dishwashing machine is provided with a heat recovery apparatus which comprises a heat pump assembly 1 disposed in a housing 17 on a housing 4 of the dishwashing machine and which condenses steam issuing from the machine to recover the heat of vaporization and yielding up the recovered heat to washing or rinsing water used in the machine. The machine shown has entry and exit rails 5, 6. Air-steam mixture, emitted from the inlet and outlet of the housing 4, is drawn by a fan 16 in the heat pump assembly through ducts 2, 3, inlet slots 21, 31 in the housing 17, and an evaporator 12 where the steam condenses, and the working substance of the heat pump, e.g. difluorodichloromethane, is evaporated. Air is discharged through an opening 19, whilst the evaporated working substance is compressed by a motor driven compressor 11 and fed through condensers 13, 14 where heat is abstracted therefrom by washing and rinsing water. The operation of the heat pump is regulated by a thermostatic device in accordance with the heat output of the dishwashing machine. The working substance enters the evaporator 12 via series connected electromagnetic shut-off and expansion valves 115, 114 in parallel with series connected electromagnetic shut-off and expansion valves 116, 113. During heating of the washing water, a thermostat (111), Fig. 7 (not shown), maintains the valve 116 open whilst the valve 115 is closed, and the flow to the evaporator 12 is via the expansion valve 113 which is thermostatically controlled in accordance with the temperature of the working substance leaving the evaporator 12. When the washing water is heated up, a thermostat (112) closes the valve 116, and the compressor 11 is de-energized by opening of a suction operated switch (111). The washing water temperature then rises so that the thermostat (112) reopens the valve 116 and switch (111) again closes. Such alternate switching off and on of the compressor 11 maintains the washing water temperature approximately constant until energization of a washing water pump. The valve 115 is then opened so that the flow to the evaporator 12 is controlled by the expansion valve 114, which has a much stronger throttling action than the valve 113 so that the washing water is cooled. The thermostat (112) is thereby actuated to close the valve 115 and open the valve 116 so that the heat pump continues to operate at full load, controlled by the expansion valve 113.
Patent GB-138760-A (GB)
Title: Improvements in, and relating to, construction of ships
IPC: B63B1/08
Filed: 1919-04-05
Abstract: 138,760. McLaren, W. D., Welsh, G. M., and Johnstone, J. G. April 5, 1919. Hulls.-In ships constructed of straight transverse members for the after-body, side tanks are placed under the deck and outside the shell plating in order to increase the width of the deck at the stern. The side frame member 1 - - 7 as well as the transverse sections of the tanks mentioned are parallel or approximately parallel. The plating in this form of construction is readily expandable.
Patent GB-464531-A (GB)
Title: Improvements in and relating to air cooled surface condensers
IPC: F28B1/06
Filed: 1936-03-23
Abstract: 464,531. Surface condensers. HAPPEL, O. March 23, 1936, No. 8633. [Class 64 (iii)] The exhaust steam from the turbine 2 of an electrical generator 1 passes through trunks 3 to a condenser comprising two parallel banks of air-cooled ribbed-tubes, each bank consisting of two converging rows of tubes 4, Fig. 5, disposed above the fan openings in the top of an open-sided suction chamber. The fans 9 propel the air over the tubes, which are preferably of elliptical cross-section, at a pressure not exceeding 25 mm. of water. The rows of tubes are provided with air and condensate discharge pipes 11, 10 respectively, and the fans are driven by individual motors 15 which may be regulated in common, e.g., by a frequency transformer controlled by the power output of the turbine, the air temperature, or the condenser vacuum. Specifications 137,536, and 193,367, [both in Class 32], are referred to.
Patent GB-878962-A (GB)
Title: Solid electrolytic condenser
IPC: H01G9/00
Filed: 1960-03-11
Abstract: 878,962. Solid electrolytic capacitors. STANDARD TELEPHONES & CABLES Ltd. (Nippon Electric Co. Ltd.). March 11, 1960, No. 8670/60. Class 37. A solid electrolytic tantalum capacitor comprises a metal anode 1 having an anodized surface, a semiconducting coating 3 for example of manganese dioxide, a graphite coating 4, and a cathode-lead wire 6 having a spiral wound portion embedded in a metal coating 5. Anode 1 may be formed by sintering powdered tantalum, coating 5 is preferably of a ductile metal e.g. lead or solder, or of brass or copper, and lead 6 may be of nickel, wound directly round the layer 4. The manganese dioxide layer may be formed by decomposition of manganese nitrate. An oxidizing gas such as oxygen is included inside the metal container 7 which is sealed by a metal cover 8 and glass part 9.
Patent GB-580401-A (GB)
Title: Improvements in the construction of thermionic grid-controlled valves
IPC: H01J21/36
Filed: 1942-06-24
Abstract: 580,401. Thermionic valves. M-O VALVE CO., Ltd., BREADXER, R. L., JAMES, E. G., WARREN, G. W., and WIDDOWSON, A. E. June 24, 1942, No. 8681. [Class 39 (i)] The anode 5 and grid 3 of a valve are formed by or directly connected to annular discs 6, 4 sealed through the glass envelope 1 and forming leads to the electrodes ; a rhumbatron may be attached to these discs or they may be flanged for connection to a concentric line 15, 16. The cathode 2 and grid 3 are mounted together on the pinch 8 by which these twc are then inserted in the tube and tin lugs which have been previously attached to the grid are fused to unite the grid plate 20 to the disc 4 when the tube is baked during pumping. A tin washer may be used instead of the lugs. The getter 7 is mounted on the side of the anode remote from the grid, holes being made in the anode. Other grids may be disc-mounted between control grid and anode.
Patent GB-913333-A (GB)
Title: Improvements relating to access doors e.g. for tubes
Inventor: DAVIDSON ALASTAIR RITCHIE
IPC: F16J13/04
Filed: 1960-03-11
Abstract: 913,333. Covers for resisting fluid-pressure. A.B. PLASTICS Ltd. Feb. 15, 1961 [March 11, 1960], No. 8687/60. Class 123 (1). [Also in Groups XXV and XXVIII] An access door comprises two similarlyshaped elongated plate members 10, 11, for fitting inside and outside an aperture 12 whose dimensions are slightly smaller than those of the two plate members, and a screw-threaded member 14 rigidly mounted in the inner plate member and projecting therefrom into the outer plate member in which it is captive in a permanent manner. As shown in Fig. 2, the bolt 14 is provided with a captive nut 15 for clamping the two plates together, the nut being made captive by upsetting the thread at the extremity of the bolt. In another embodiment, Fig. 5, the screw-threaded member is of hollow cylindrical form 16 with a circlip 20 mounted in a circumferential groove 21 for retaining it in a bore 1 having a ledge and is formed with an internal screw-thread 18 for engaging a clamping screw 19. The member 16 has a hexagonal flange 22 to fit in a corresponding recess 23 in the plate member 10. Both plate members may be ribbed as at 24. In both the above constructions leakage through the door is prevented by a sealing strip 25. The inner plate may be formed with a projecting flange 26 which may be provided with a sealing gasket. The members 10, 11 are preferably of synthetic plastic when the inner plate member 10 may be moulded round the flange 22, Fig. 5. In an alternative construction of hollow screw-threaded member, Fig. 6, the latter has a conical formation 28 and is slit as at 29 so that the member can be sprung into the bore 17 but cannot be withdrawn.
Patent GB-1421584-A (GB)
Title: Apparatus and method for converging aspun filaments
IPC: D01D10/04
Filed: 1973-02-22
Abstract: 1421584 Convergence guide for filaments FIBER INDUSTRIES Inc 22 Feb 1973 [29 Feb 1972] 8751/73 Heading B5B Apparatus for converging as-spun filaments prior to take up comprises means for extruding a plurality of filaments and a filament guide means 18 suitably spaced from the extrusion means and so dimensioned as to converge the filaments, the guide means having at least one flattened U-shaped filament contact portion 24, sufficiently straight and wide so as to accommodate the filaments 16 in a flattened band consisting of a single row of individual filaments distributed in a side-by-side parallel spaced apart relationship to each other. The flattened filament contact portion 24 may have a radius of curvature on its surface such as to provide a tangential contact surface for the travelling filaments, and the guide means may include a guide pin 28 positioned on the downstream side of the U-shaped guide to assist in maintaining the flattened configuration of the filaments and so provide a slotted passage for the filaments. Both pin 28 and guide 18 suitably have ceramic filament contact surfaces. As shown, guide means 18 comprises a top portion 19 hinged at 20 to provide access to passageway 21 and in which a ceramic member 22 is positioned. The guide means may be mounted at the top of a steam conditioner 10 (Fig. 1, not shown), so that the filaments pass through the conditioner in a parallel spaced apart relationship. After steaming, the filaments are further converged into a bundle for application of a spin finish. The apparatus is especially useful in the melt spinning of polyamide and polyester filaments or in general where filaments contain additives rendering them adhesive, and may also be used in the dry- and wet-spinning of, e.g. rayon, cellulose derivatives and acrylic fibres.
Patent GB-759541-A (GB)
Title: Improvements in and relating to suspension bridges
IPC: E01D19/14
Filed: 1954-03-26
Abstract: 759,541. Suspension bridges. GUTEHOFFNUNGSHUTE STERKRADE AKT.-GES. March 26, 1954 [April 10, 1953], No. 8879/54. Class 20(1). Erection of a suspension bridge is facilitated by counter-acting the thrust on the ends of the bridge produced by the tension in the supporting cables. In Fig. 1, supporting cables 1 pass over a saddle 6 mounted on a thrust body 3 which is supported by bolsters 14, adjustable 9-section members 7 and a support 15. The strands of the cables are secured to an anchoring member 9 in a cavity 8 of a main anchorage 2 and are adjustable for tension. During erection of the bridge, the members 7 are extended so that no thrust on abutments 4, 4<SP>1</SP> occurs. On completion of the bridge assembly, the body 3 is allowed to move towards the bridge member 5 by reducing the height of the members 7 and thrust is exerted on member 5 via the abutments 4, 4<SP>1</SP>. The members 7 may then be removed, the whole of the horizontal thrust component due to tension in the support cables being exerted on the end of the member 5. In a modification, Fig. 2 (not shown), counteraction of thrust is effected by adjustable cables connecting the thrust body with the main anchorage. In a further modification, Fig. 3 (not shown), no saddle is provided, the supporting cables passing direct into the thrust body. Fig. 4 shows how the supporting cables may be adjustably anchored in the end of the bridge member 5. A connection 11 between the anchorage 2 and the member 5 enables the vertical component of the force in the supporting cables 1 to be counteracted after cables 10 have been slackened off.
Patent GB-119670-A (GB)
Title: Improvements in and connected with Liquid Distributing or Supply Apparatus of Refrigeration Systems.
Inventor: BRETTELL WILLIAM GEORGE
IPC: F25D17/02
Filed: 1917-06-21
Abstract: 119,670. Brettell, W. G., and Adamson, A. J. June 21, 1917. Multiple-way plug cocks.-A multiple-ported plug cock 2 for delivering brine &c. supplied to a chamber 7 through one of three spouts 9, 10, 12 according to the temperature of the brine &c. is fitted with a screwdown lift valve 25 to enable the quantity to be regulated without adjustment of the plug.
Patent GB-598223-A (GB)
Title: Improvements in hydraulic systems, particularly for loading machines
IPC: E21F13/06
Filed: 1945-03-16
Abstract: 598,223. Servomotor-control for hydraulic motors. BRITISH JEFFREYDIAMOND, Ltd. March 16, 1945, No. 8986/46. Convention date, April 10, 1944. Divided out of 598,187, [Group XXX]., [Glasses 69 (ii) and 135] A series of hydraulic motors are controlled individually by a bank of distributing valves as 243, 244, these enabling each motor to be started, stopped or reversed. The passages to valves 243, 244 only are arranged so that two specified motors can be controlled jointly or mutually reversed. The pressure of the liquid supplied is controlled by the throttle valve 270, which has a piston 273 having a restricted bore 277 and lifted by the pressure difference on each side of it to open the valve 274. The pressure at which the valve lifts is controlled by the ball valve 282, the spring of which is progressively loaded by the plunger 284. This plunger is moved by the final movement of the handle 300, the first movements of which open the valve as 243 &c. to which they are attached. Specifications 598,187 and 598,222, [both in Group XXX], are referred to.
Patent GB-214251-A (GB)
Title: Improvements in or relating to electric heaters
IPC: F24H3/00
Filed: 1924-04-09
Abstract: 214,251. Weir, W. W. April 11, 1923, [Convention date]. Wire resistances, mounted on grooved surfaces. -An electric heater comprises a hollow refractory tile 4 with vertical air flues 8 bounded by front, back, and cross walls, the cross walls extending through the tile to permit free passage of air, and a heating element or elements 13 arranged on the front face 5 of the tile. The heating elements comprise coils supported in grooves 12 formed as shown in Fig. 4, the ends of each coil being connected to terminals 21, Fig. 3, and the coils being arranged in parallel.
Patent GB-1418169-A (GB)
Title: Resist image formation process and resin compositions and materials  for use in said process
IPC: G03F7/031
Filed: 1973-02-23
Abstract: 1418169 Photocurable compositions; nitrobenzyl acrylate copolymers HITACHI CHEMICAL CO Ltd 23 Feb 1973 [25 Feb 1972 6 March 1972] 9034/73 Headings C3B and C3P [Also in Division G2] A photocurable composition useful in producing photoresists comprises an epoxy resin and a compound containing at least two groups represented by one of the formula wherein R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> are H, alkyl or aryl. Specified compounds are bis-(o-nitrodiphenylmethyl)adipate and N,N<SP>1</SP>-bis-(o-nitrodiphenylmethyloxycarbonyl)hexamethylene diamine which on exposure to light produce a carboxylic acid or an amine which on heating cures the epoxy resin. The composition may also contain a phenoxy resin. Alternatively the compound can be produced by polymerizing acrylic acid chloride with a compound of formula wherein R 1  is as above. Alternatively a polymer of a glycidyl ester of an unsaturated acid also containing at least 2 groups of Formula I may be used as the photocurable composition, e.g. a glycidyl methacrylate/o-nitrobenzyl acrylate/methyl methacrylate terpolymer prepared as set out in Example 3. Acrylic terpolymers containing glycidyl methacrylate may also be used as the epoxy resin (c.f. Example 4).
Patent GB-182193-A (GB)
Title: Improvements relating to tow hooks
IPC: B63B21/56
Filed: 1921-03-24
Abstract: 182,193. Mitchell, J. March 24, 1921. Slip hooks.-A tow hook of the type in which a hawser can be readily disconnected from any position on a tug &c., comprises a hook member 22 which is held in the operative position by a stirrup 31 pivoted on a vertical post 27 which is itself pivoted to links disposed on either side of a draw-bar 12. The stirrup 31 is withdrawn over the free end of the hook by means of a toggle joint formed by the extended base 33 of a toggle lever 32 and the link 35. A cord &c. 38 operates the toggle lever, breaks the joint and inclines the post 27 so that a projection 40 at its lower end rotates the hook about its pivot 23 into the released position. The post 27 is restored to the normal when the hook is lifted to the operative position by the engagement of a rearward extension of the hook with the projection 40. When the tow-hook is released, depending lugs 26 bolted to the draw-bar-links maintain them in a horizontal position by engaging a pedestal cap. Specification 26753/10, [Class 103 (v), Railway &c. vehicles, Draught &c. appliances for], is referred to.
Patent GB-787477-A (GB)
Title: Manufacture of welded-link chains
IPC: B21L3/02
Filed: 1955-03-30
Abstract: 787,477. Welding chains. TAYLOR, H. G. March 16, 1956 [March 30, 1955], No. 9217/55. Class 83 (4). In a machine for welding the links of a chain, there are provided means for turning at least part of the chain through 90 degrees after each welding step so that the next link to be welded will be correctly presented to the electrodes, means for exerting a continuous pull on the chain and means permitting the feed of the chain to commence after the initial part of each quarter turn and to arrest the feed of each turn, so giving a link by link feed and allowing the welding of the links to be carried out in a single pass of the chain through the machine. The upper U-shaped part of.a link 11a is held in a two part electrode 10 whilst a lower U-shaped. part is held in a lower twopart electrode (not shown) and welded to the upper part. A link 11d above the link 11a is held in one branch of a cruciform slot 19 in an externally-toothed member 18. against the edge 17x of a slot 17 in a fixed member 16 by. a pull exerted on the chain passing over a drum 13 driven by a slipping motor 15, the link 11d being unable to pass through the slot 17 since it is not aligned with it. After welding the link 11a the electrode parts are separated by their actuating cylinders 12 and a rack 21 engaging the toothed member 18 is moved by its fluid pressure cylinder 23, controlled by the operator, to turn the link 11d anticlockwise through 90 degrees. As the link 11d turns and rides off the edges 17x the pull on the chain raises the link 11d slowly through the slot 17 until the link 11c, now turned through 90 degrees, occupies the other branch of the slot 19 and abuts the edges 17x. The link 11a occupies the position previously occupied by link 11b and an upper U-shaped link part is threaded therethrough to be welded in the electrodes 10. After the next welding step the member 18 is rotated clockwise through 90 degrees.
Patent GB-1031572-A (GB)
Title: Regulated high voltage supplies
IPC: H04N3/185
Filed: 1964-03-04
Abstract: 1,031,572. Cathode-ray tube circuits. RADIO CORPORATION OF AMERICA. March 4, 4, 1964 [March 8, 1963], No. 9254/64. Heading H4T. A known type of E.H.T. supply circuit involving a regulator valve 90 (Fig. 1), the conductance of which is controlled in accordance with variations in the B-boost voltage by supplying the latter to the control grid to maintain the E.H.T. voltage substantially constant against variations in the current requirement of the picture tube 60 is characterized in that the conductance of valve 90 is additionally controlled by the D.C. component of the video signals applied to the picture tube. The invention is particularly applicable to colour television receivers in which, as shown, the additional control of valve 90 is provided by the luminance signal which is supplied to the grid of valve 90 from the luminance output stage 20 the video frequency variations being removed by capacitor 97 so that the effective control is by means of the D.C component.
Patent GB-721169-A (GB)
Title: Improvements in or relating to endless band conveyors
IPC: B65G15/00
Filed: 1949-03-07
Abstract: 721,169. Endless conveyers. CUTHBERTSON, J. A. Feb. 27, 1950 [March 7, 1949], No. 9367/52. Divided out of 721,141, [Group XXXI]. Class 78 (1). An endless band conveyer is composed of flexible units, each of which has longitudinally spaced abutments 10 and a flexible tension member 9 interconnecting the abutments, the tension member being looped around and engaging at least one abutment so that the looping lies substantially in a plane parallel to the conveying face of the unit and transversely spaced stretches of the tension member are formed between the abutments, the tension member and the abutments being embedded in rubber 14 to form the unit, and means being provided for connecting together the abutments of adjacent units. As described, the flexible units are of identical construction to those described in Specification 721,141, [Group XXXI], in which they form an endless track for a vehicle.
Patent GB-635140-A (GB)
Title: Improvements relating to automatic tuning mechanism for radio receivers
IPC: H03J5/14
Filed: 1947-04-09
Abstract: 635,140. Adjusting radio apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. April 9, 1947, No. 9369. Convention date, April 9, 1946. [Class 40 (v)] A tuning mechanism for radio receivers in which a series of predetermined stations may be successively and automatically tuned-in by means of a single control member, includes a tuning element positioning turret provided with a plurality of circumferentially-disposed adjustable stops, means for imparting reciprocating movement to the turret, and means for rotating it step-by-step to successive tuning positions. As shown, depression of the rocker bar 7 energizes the solenoid 75 through a switch 88 to move the carriage 12 against a spring 25 and fully enter the cores 191 into the coils 19. Simultaneously, the turret 18 is moved to the rear against a spring 62 and rotated to the next stop position by means of a pivoted cam 53 co-operating with an index-wheel 59 provided with a spoke for each turret position. On releasing the rocker bar the turret is returned along a pivoted guide arm to its forward position and is retained in position by a slotted guide-plate co-operating with projections around the end-plate 32 of the turret, the carriage 12 being returned until the edge 21 is in contact with an adjustable stop, in the position shown, the manual tuning stop 45M. The stops 45 and 45M are adjustably mounted on lead-screws around the periphery of and extending between the two end-plates of the turret, the manual tuning screw 39M having a longer head and coarser thread than the remainder. For manual tuning, a spring- loaded key 119 drops into a groove in the head of screw 39M and rotation of the spindle 105 causes the stop-member 45M to be moved along the screw. The pre-set tuning is adjusted in the same way, the turret being rotated to the required position and the spindle 105 pushed in against the action of a spring to engage the key 119, with one of the shorter screw-heads 39 to move a stop-member 45. The voice coil of the loudspeaker is short-circuited during the automatic tuning process until the carriage is returned to its new position, by means of a camoperated switch 89 on the core carriage, and a cam in the turret front plate 32 actuates a switch on manual tuning to provide a dial light. For indicating the tuning a pointer arm 143 is caused to travel linearly by means of a pin 142 and cam in response to the movement of the core carriage.